Service difficulty report · Engine · Boeing 777222

Difficulty date
July 13, 2011
Submitted
August 12, 2011
Operation
Air carrier
Aircraft
N794UA
Make and model
Boeing 777222
Aircraft serial
26953
Aircraft time
61,025 hours, 8,752 cycles
Engine
Pwa PW40903
Engine time
57,704 hours, 8,613 cycles
Part
Engine
Part number
PW4903
Part serial
222015
Condition
Making Metal
Location
Nr 1
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND METAL ON CHIP DETECTOR'S. FOUND METAL ON CHIP DETECTOR'S. REMOVED OIL FILTER, CHECKING FOR CONTAMINATION. FOUND METAL ON MASTER CHIP ANGLE GEAR BOX CHIP & PRIMARY GEARBOX CHIP AND MAIN OIL FILTER ALL REMOVED FROM ENGINE & BAGGED. OIL FILTER REPLACED. CHIPS NOT REPLACED. REPLACED NR 1 ENGINE PER MM.